Service difficulty report · Warning Message · Boeing 7378

Difficulty date
May 26, 2025
Submitted
May 28, 2025
Operation
Air carrier
Aircraft
N17309
Make and model
Boeing 7378
Aircraft serial
67563
Aircraft time
6,968 hours, 2,430 cycles
Part
Warning Message
Condition
False Indication
Location
Zone 200
Stage of operation
TO
How discovered
O
Nature of condition
N
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ANTI-ICE MASTER CAUTION DURING TAKEOFF ROLL DEBRIEFED CREW. ON TAKEOFF ROLL AT 80 KT RECEIVED ANTI ICE MASTER CAUTION MOMENTARILY. NOTED NO FAULTS ON MASTER CAUTION RECALL. NORMAL BLEED CONFIG FOR TAKEOFF. WING ANTI ICE WAS OFF PRIOR TO TAKEOFF, ISOLATION VALVE CLOSED, BOTH PACKS ON. NO ANTI ICE OR BLEED FAULTS FOUND ON OMF OR MC RECALL. PERFORM WING AND ENGINE ANTI ICE FUNCTIONAL TESTS PER AMM 30-11-00-710-801 WITH NO FAULTS. PERFORM PITOT HEAT FUNCTIONAL TESTS PER AMM 30-31-00-730-801 AS WELL AS AOA ANI ICE TESTS PER AMM 30-31-00-730-801 WITH NO FAULTS FOUND. PERFORMED HIGH POWER ASSURANCE RUN FOR 5 MINUTES PER AMM 71-00-00-720-802-G00 NO FAULTS FOUND. PERFORMED OPERATIONAL CHECK OF ENGINE ANTI ICE WHILE PERFORMING RUNS NO FAULTS FOUND. OKAY TO CONTINUE SERVICE.

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